Undercover Elite Smooth 16-23 Tac 6' w/ Deck Rail System - RTP UC4148S 500 Specifically designed for LBZ and
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Undercover Elite Smooth 16 23 Tac 6' w Deck Rail System RTP UC4148S 500 Specifically designed for LBZ and Specifically designed for LBZ and LMM model Duramax engines heat treated carbon steel with a 3 4 16 thread